added debug option for get_byte to dump every byte.
Fix for technoland config Added new anal-retentive DoC code for those who want it to docmil_fill_inbuf added .h files for new DoC code.
This commit is contained in:
Ronald G. Minnich
parent
8e1e3fbfa5
commit
71022a5661
7 changed files with 814 additions and 22 deletions
136
src/include/mtd/doc2000.h
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136
src/include/mtd/doc2000.h
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@ -0,0 +1,136 @@
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/* Linux driver for Disk-On-Chip 2000 */
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/* (c) 1999 Machine Vision Holdings, Inc. */
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/* Author: David Woodhouse <dwmw2@mvhi.com> */
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/* $Id$ */
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#ifndef __MTD_DOC2000_H__
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#define __MTD_DOC2000_H__
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//#include <linux/mtd/mtd.h>
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#define DoC_Sig1 0
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#define DoC_Sig2 1
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#define DoC_ChipID 0x1000
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#define DoC_DOCStatus 0x1001
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#define DoC_DOCControl 0x1002
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#define DoC_FloorSelect 0x1003
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#define DoC_CDSNControl 0x1004
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#define DoC_CDSNDeviceSelect 0x1005
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#define DoC_ECCConf 0x1006
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#define DoC_2k_ECCStatus 0x1007
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#define DoC_CDSNSlowIO 0x100d
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#define DoC_ECCSyndrome0 0x1010
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#define DoC_ECCSyndrome1 0x1011
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#define DoC_ECCSyndrome2 0x1012
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#define DoC_ECCSyndrome3 0x1013
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#define DoC_ECCSyndrome4 0x1014
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#define DoC_ECCSyndrome5 0x1015
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#define DoC_AliasResolution 0x101b
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#define DoC_ConfigInput 0x101c
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#define DoC_ReadPipeInit 0x101d
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#define DoC_WritePipeTerm 0x101e
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#define DoC_LastDataRead 0x101f
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#define DoC_NOP 0x1020
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#define DoC_Mil_CDSN_IO 0x0800
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#define DoC_2k_CDSN_IO 0x1800
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/* How to access the device?
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* On ARM, it'll be mmap'd directly with 32-bit wide accesses.
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* On PPC, it's mmap'd and 16-bit wide.
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* Others use readb/writeb
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*/
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#if defined(__arm__)
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#define ReadDOC_(adr, reg) ((unsigned char)(*(__u32 *)(((unsigned long)adr)+(reg<<2))))
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#define WriteDOC_(d, adr, reg) do{ *(__u32 *)(((unsigned long)adr)+(reg<<2)) = (__u32)d} while(0)
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#elif defined(__ppc__)
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#define ReadDOC_(adr, reg) ((unsigned char)(*(__u16 *)(((unsigned long)adr)+(reg<<1))))
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#define WriteDOC_(d, adr, reg) do{ *(__u16 *)(((unsigned long)adr)+(reg<<1)) = (__u16)d} while(0)
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#else
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#define ReadDOC_(adr, reg) readb(((unsigned long)adr) + reg)
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#define WriteDOC_(d, adr, reg) writeb(d, ((unsigned long)adr) + reg)
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#endif
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#if defined(__i386__)
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#define USE_MEMCPY
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#endif
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/* These are provided to directly use the DoC_xxx defines */
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#define ReadDOC(adr, reg) ReadDOC_(adr,DoC_##reg)
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#define WriteDOC(d, adr, reg) WriteDOC_(d,adr,DoC_##reg)
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#define DOC_MODE_RESET 0
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#define DOC_MODE_NORMAL 1
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#define DOC_MODE_RESERVED1 2
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#define DOC_MODE_RESERVED2 3
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#define DOC_MODE_MDWREN 4
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#define DOC_MODE_CLR_ERR 0x80
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#define DOC_ChipID_Doc2k 0x20
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#define DOC_ChipID_DocMil 0x30
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#define CDSN_CTRL_FR_B 0x80
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#define CDSN_CTRL_ECC_IO 0x20
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#define CDSN_CTRL_FLASH_IO 0x10
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#define CDSN_CTRL_WP 0x08
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#define CDSN_CTRL_ALE 0x04
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#define CDSN_CTRL_CLE 0x02
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#define CDSN_CTRL_CE 0x01
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#define DOC_ECC_RESET 0
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#define DOC_ECC_ERROR 0x80
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#define DOC_ECC_RW 0x20
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#define DOC_ECC__EN 0x08
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#define DOC_TOGGLE_BIT 0x04
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#define DOC_ECC_RESV 0x02
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#define DOC_ECC_IGNORE 0x01
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/* We have to also set the reserved bit 1 for enable */
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#define DOC_ECC_EN (DOC_ECC__EN | DOC_ECC_RESV)
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#define DOC_ECC_DIS (DOC_ECC_RESV)
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struct Nand {
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char floor, chip;
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unsigned long curadr;
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unsigned char curmode;
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/* Also some erase/write/pipeline info when we get that far */
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};
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#define MAX_FLOORS 4
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#define MAX_CHIPS 4
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#define MAX_FLOORS_MIL 4
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#define MAX_CHIPS_MIL 1
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#define ADDR_COLUMN 1
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#define ADDR_PAGE 2
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#define ADDR_COLUMN_PAGE 3
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struct DiskOnChip {
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unsigned long physadr;
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unsigned long virtadr;
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unsigned long totlen;
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char ChipID; /* Type of DiskOnChip */
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int ioreg;
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unsigned long mfr; /* Flash IDs - only one type of flash per device */
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unsigned long id;
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int chipshift;
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char page256;
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char pageadrlen;
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unsigned long erasesize;
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int curfloor;
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int curchip;
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int numchips;
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struct Nand *chips;
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struct mtd_info *nextdoc;
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};
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#endif /* __MTD_DOC2000_H__ */
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130
src/include/mtd/nand.h
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130
src/include/mtd/nand.h
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@ -0,0 +1,130 @@
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/*
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* linux/include/linux/mtd/nand.h
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*
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* Copyright (c) 2000 David Woodhouse <dwmw2@mvhi.com>
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* Steven J. Hill <sjhill@cotw.com>
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*
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* $Id$
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Info:
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* Contains standard defines and IDs for NAND flash devices
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*
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* Changelog:
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* 01-31-2000 DMW Created
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* 09-18-2000 SJH Moved structure out of the Disk-On-Chip drivers
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* so it can be used by other NAND flash device
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* drivers. I also changed the copyright since none
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* of the original contents of this file are specific
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* to DoC devices. David can whack me with a baseball
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* bat later if I did something naughty.
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* 10-11-2000 SJH Added private NAND flash structure for driver
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*/
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#ifndef __LINUX_MTD_NAND_H
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#define __LINUX_MTD_NAND_H
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/*
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* Standard NAND flash commands
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*/
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#define NAND_CMD_READ0 0
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#define NAND_CMD_READ1 1
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#define NAND_CMD_PAGEPROG 0x10
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#define NAND_CMD_READOOB 0x50
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#define NAND_CMD_ERASE1 0x60
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#define NAND_CMD_STATUS 0x70
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#define NAND_CMD_SEQIN 0x80
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#define NAND_CMD_READID 0x90
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#define NAND_CMD_ERASE2 0xd0
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#define NAND_CMD_RESET 0xff
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/*
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* Enumeration for NAND flash chip state
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*/
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typedef enum {
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FL_READY,
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FL_READING,
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FL_WRITING,
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FL_ERASING,
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FL_SYNCING
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} nand_state_t;
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/*
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* NAND Private Flash Chip Data
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*
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* Structure overview:
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*
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* IO_ADDR - address to access the 8 I/O lines to the flash device
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*
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* CTRL_ADDR - address where ALE, CLE and CE control bits are accessed
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*
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* CLE - location in control word for Command Latch Enable bit
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*
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* ALE - location in control word for Address Latch Enable bit
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*
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* NCE - location in control word for nChip Enable bit
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*
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* chip_lock - spinlock used to protect access to this structure
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*
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* wq - wait queue to sleep on if a NAND operation is in progress
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*
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* state - give the current state of the NAND device
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*
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* page_shift - number of address bits in a page (column address bits)
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*
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* data_buf - data buffer passed to/from MTD user modules
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*
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* ecc_code_buf - used only for holding calculated or read ECCs for
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* a page read or written when ECC is in use
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*
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* reserved - padding to make structure fall on word boundary if
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* when ECC is in use
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*/
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/*
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* NAND Flash Manufacturer ID Codes
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*/
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#define NAND_MFR_TOSHIBA 0x98
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#define NAND_MFR_SAMSUNG 0xec
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/*
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* NAND Flash Device ID Structure
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*
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* Structure overview:
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*
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* name - Complete name of device
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*
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* manufacture_id - manufacturer ID code of device.
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*
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* model_id - model ID code of device.
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*
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* chipshift - total number of address bits for the device which
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* is used to calculate address offsets and the total
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* number of bytes the device is capable of.
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*
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* page256 - denotes if flash device has 256 byte pages or not.
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*
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* pageadrlen - number of bytes minus one needed to hold the
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* complete address into the flash array. Keep in
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* mind that when a read or write is done to a
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* specific address, the address is input serially
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* 8 bits at a time. This structure member is used
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* by the read/write routines as a loop index for
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* shifting the address out 8 bits at a time.
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*
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* erasesize - size of an erase block in the flash device.
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*/
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struct nand_flash_dev {
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char * name;
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int manufacture_id;
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int model_id;
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int chipshift;
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char page256;
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char pageadrlen;
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unsigned long erasesize;
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};
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#endif /* __LINUX_MTD_NAND_H */
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52
src/include/mtd/nand_ids.h
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52
src/include/mtd/nand_ids.h
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@ -0,0 +1,52 @@
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/*
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* linux/include/linux/mtd/nand_ids.h
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*
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* Copyright (c) 2000 David Woodhouse <dwmw2@mvhi.com>
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* Steven J. Hill <sjhill@cotw.com>
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*
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* $Id$
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Info:
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* Contains standard defines and IDs for NAND flash devices
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*
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* Changelog:
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* 01-31-2000 DMW Created
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* 09-18-2000 SJH Moved structure out of the Disk-On-Chip drivers
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* so it can be used by other NAND flash device
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* drivers. I also changed the copyright since none
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* of the original contents of this file are specific
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* to DoC devices. David can whack me with a baseball
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* bat later if I did something naughty.
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* 10-11-2000 SJH Added private NAND flash structure for driver
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* 2000-10-13 BE Moved out of 'nand.h' - avoids duplication.
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*/
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#ifndef __LINUX_MTD_NAND_IDS_H
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#define __LINUX_MTD_NAND_IDS_H
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static struct nand_flash_dev nand_flash_ids[] = {
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{"Toshiba TC5816BDC", NAND_MFR_TOSHIBA, 0x64, 21, 1, 2, 0x1000},
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{"Toshiba TC5832DC", NAND_MFR_TOSHIBA, 0x6b, 22, 0, 2, 0x2000},
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{"Toshiba TH58V128DC", NAND_MFR_TOSHIBA, 0x73, 24, 0, 2, 0x4000},
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{"Toshiba TC58256FT/DC", NAND_MFR_TOSHIBA, 0x75, 25, 0, 2, 0x4000},
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{"Toshiba TH58512FT", NAND_MFR_TOSHIBA, 0x76, 26, 0, 3, 0x4000},
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{"Toshiba TC58V32DC", NAND_MFR_TOSHIBA, 0xe5, 22, 0, 2, 0x2000},
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{"Toshiba TC58V64AFT/DC", NAND_MFR_TOSHIBA, 0xe6, 23, 0, 2, 0x2000},
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{"Toshiba TC58V16BDC", NAND_MFR_TOSHIBA, 0xea, 21, 1, 2, 0x1000},
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{"Samsung KM29N16000", NAND_MFR_SAMSUNG, 0x64, 21, 1, 2, 0x1000},
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{"Samsung unknown 4Mb", NAND_MFR_SAMSUNG, 0x6b, 22, 0, 2, 0x2000},
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{"Samsung KM29U128T", NAND_MFR_SAMSUNG, 0x73, 24, 0, 2, 0x4000},
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{"Samsung KM29U256T", NAND_MFR_SAMSUNG, 0x75, 25, 0, 2, 0x4000},
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{"Samsung unknown 64Mb", NAND_MFR_SAMSUNG, 0x76, 26, 0, 3, 0x4000},
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{"Samsung KM29W32000", NAND_MFR_SAMSUNG, 0xe3, 22, 0, 2, 0x2000},
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{"Samsung unknown 4Mb", NAND_MFR_SAMSUNG, 0xe5, 22, 0, 2, 0x2000},
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{"Samsung KM29U64000", NAND_MFR_SAMSUNG, 0xe6, 23, 0, 2, 0x2000},
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{"Samsung KM29W16000", NAND_MFR_SAMSUNG, 0xea, 21, 1, 2, 0x1000},
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{NULL,}
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};
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#endif /* __LINUX_MTD_NAND_IDS_H */
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@ -7,7 +7,17 @@ extern unsigned int inptr; /* index of next byte to be processed in inbuf */
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extern int fill_inbuf(void);
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#ifndef DEBUG_GET_BYTE
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#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf())
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#else
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#include <printk.h>
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static unsigned char get_byte() {
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static int byteno = 0;
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unsigned char c = (inptr < insize ? inbuf[inptr++] : fill_inbuf());
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printk_debug("get_byte 0x%x 0x%x\n", byteno++, c);
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return c;
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}
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#endif
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#endif /* ROM_FILL_INBUF_H */
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